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VIAVI Solutions

Software Systems Engineer - Interferometry/microscopy

Ottawa, ON, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Experience: 5+ years of professional software development experience in C/C++/C#
Posting language: English
Posted: Nov 4, 2026

Original job description

Summary:

VIAVI (NASDAQ: VIAV) is a global provider of network test, monitoring and assurance solutions for telecommunications, cloud, enterprises, first responders, military, aerospace, and railway. VIAVI is also a leader in light management technologies for 3D sensing, anti-counterfeiting, consumer electronics, industrial, automotive, government and aerospace applications.

We are the people behind the products that help keep the world connected at home, school, work, at play, and everywhere in between. VIAVI employees are passionate about supporting customer success and we welcome people who bring their best every day to the company – to question, to collaborate and to push for solutions that will delight our customers.

Duties & Responsibilities:

Position Detail

Our team develops optical test and measurement equipment for telecommunications lab and manufacturing use. We are hiring a full-stack software and systems engineer to own the software for our industrial microscopy inspection appliance and its companion PC application, from microcontroller firmware to the Windows user application.

You will write the low-level embedded interfaces for motion, illumination and sensing on Atmel microcontrollers, build the USB video pipeline, develop the image analysis algorithms that judge inspection results, and deliver the Windows GUI and REST API that operators and factory automation systems use every day. The ideal candidate has supported a product through its full life cycle: concept, research, development and new product introduction.

Role / Responsibilities

Designs, develops, troubleshoots and debugs software programs for enhancements and new products.
Develops software and tools in support of design, infrastructure and technology platforms, including operating systems, compilers, routers, networks, utilities, databases, cloud-based and Internet-related tools.
Determines hardware compatibility and/or influences hardware design.
Participate in the new product development team to specify, model, simulate, test and verify imaging and optical inspection systems and products
Contribute to system architecture and software requirements across firmware, PC software and the appliance
Develop embedded firmware on Atmel (AVR/SAM), arduino microcontrollers, plus serial/USB communication with the host PC
Build and optimize the USB video (UVC/DirectShow/Media Foundation) acquisition and processing pipeline for live and captured microscope images
Design, implement and validate image analysis algorithms for automated inspection, measurement and pass/fail grading
Develop the Windows GUI application in C++/C#/.NET/Qt with live video, results display, configuration and reporting
Design and maintain a REST API for integration with factory automation, test stations and data systems
Develop, test, debug and maintain software in C/C++/C3 and .NET under Windows (Linux a plus)
Collaborate through the full product lifecycle: requirements, prototyping, system integration, production support and customer feedback
Prepare technical documentation such as user manuals, interface specifications and test procedures
Work as part of an Agile software team and contribute to continuous department improvement

Required Qualifications

Bachelor’s or Master’s degree in Computer Science, Computer/Electrical/Systems Engineering, Mathematics or a related field
5+ years of professional software development experience in C/C++/C#
industry experience in imaging, machine vision or inspection applications
Demonstrated experience delivering products that span embedded firmware and a PC application

Required Capabilities

Strong C/C++C# skills, including embedded C on resource-constrained microcontrollers (Atmel/Microchip AVR or SAM) and low-level peripheral interfacing (UART, SPI, I2C, ADC, timers, USB)
USB video experience: UVC cameras, DirectShow or Media Foundation, frame capture, buffering and real-time display
REST API design and implementation, including JSON, HTTP services and integration with automation systems
Solid knowledge of classical image processing theory and its application: focus and sharpness metrics, segmentation, edge/feature detection, calibration and measurement
Familiarity with imaging tools and libraries such as OpenCV, NumPy/SciPy, OpenGL or CUDA
Ability to debug across the whole stack using oscilloscopes, logic analyzers, protocol analyzers and software debuggers
Windows application development with .NET (C++,C#, WPF or WinForms),Qt, Microsoft Visual Studio and WinAPI, including native/managed interop
Excellent problem-solving skills and attention to detail
Excellent verbal and written communication skills
A good team player who works well in a collaborative environment

Preferred Qualifications

Experience with digital microscopy, fiber-optic inspection or related optical inspection technologies
Python for algorithm prototyping, test automation and tooling
Knowledge of machine learning applied to image analysis, such as defect classification
Experience with embedded Linux on ARM platforms
Familiarity with git, Jira and CI/CD practices; experience in an Agile Scrum environment
Experience with product documentation and manufacturing test support in a regulated or ISO-quality environment
Team leadership ability: experience mentoring engineers, leading technical design reviews or guiding a small software team across firmware, application and algorithm work

Pre-Requisites / Skills / Experience Requirements:

If you have what it takes to push boundaries and seize opportunities, apply to join our team today.

VIAVI Solutions is an equal opportunity and affirmative action employer – minorities/females/veterans/persons with disabilities.

Job Posting Pay Range:

102,200

189,800

Exceptional qualifications, experience and location may impact salary. VIAVI offers a competitive benefits package that includes paid time off, health, life and disability insurance, 401(k), and a bonus program.

Apply About employer

More about this job

Responsibilities

The engineer will design, develop, and debug software for industrial microscopy inspection appliances, covering everything from microcontroller firmware to Windows-based user applications. They will also contribute to system architecture, image analysis algorithm development, and integration with factory automation systems.

Requirements

Candidates must hold a Bachelor’s or Master’s degree in a relevant engineering or science field and possess at least 5 years of professional software development experience. Strong proficiency in C/C++/C# and experience with embedded firmware, USB video pipelines, and image processing are required.

Skills

C
C++
C#
.NET
Embedded firmware
Atmel microcontrollers
USB video
DirectShow
Image analysis
OpenCV
REST API
Windows GUI
Machine vision
Qt
System architecture
Agile

Benefits

Paid time off
Health insurance
Life insurance
Disability insurance
401(k)
Bonus program

Visa sponsorship

Not detected in the job text

Keywords

Software Systems Engineer
Interferometry
Microscopy
Firmware
Atmel
USB
DirectShow
Media Foundation
Image Analysis
REST API
C++
C#
.NET
Qt
OpenCV
Machine Vision
Agile
Embedded Systems
WPF
WinForms
Visual Studio
Git
Jira
CI/CD
ARM
Python
Optics
Automation
Manufacturing
Product Lifecycle

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